Narayan T.C., Miyakai T., Seki S. et al. · Journal of the American Chemical Society · 2012 · 12932-12935
Open a family to keep every result attached to its sample, method and conditions.
Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.
Zn2(TTFTB) is presented as the first permanently porous MOF with high charge mobility and the first intrinsic charge-mobility measurement in a permanently porous MOF.
Caveat: Firstness is the authors' literature claim as of 2012; no external literature verification was performed in this extraction.
main p.1 / article p.12932 · Abstract and introduction · Linked to 3 structured results
The authors note that implementation in functional electronic devices remains challenging, especially processing as oriented thin films for electrode interfacing.
Caveat: This is a forward-looking device-processing caveat, not a quantified experimental failure.
main p.3 / article p.12934 · Summary · Linked to 1 structured result
The MOF remains crystalline and phase-identifiable after desolvation at 200 deg C under vacuum and after exposure to air.
Caveat: PXRD comparison is qualitative in the extracted text; raw diffraction data/CIF were not supplied.
main p.2 / article p.12933 · Activation and PXRD · Figure 2 inset · Linked to 3 structured results
High mobility is linked to columnar/helical TTF stacking and a short intermolecular S...S contact between neighbouring TTF cores.
Caveat: The framework has only one relevant S...S contact and an unusual stacking sequence; transport directionality is inferred rather than directly resolved crystallographically.
main p.2 / article p.12933 · Structure and transport motivation · Figure 1 · Linked to 3 structured results
The measured mobility is close to the band-model threshold, suggesting charge delocalisation in compound 1 can be described as partially delocalised.
Caveat: This is an interpretive estimate using assumed scattering time; it does not directly prove a band-transport mechanism.
main p.3 / article p.12934 · Band model discussion · Linked to 3 structured results
EPR indicates the as-synthesised MOF is at least partially oxidised/radical-doped, with radical character centred on TTF moieties.
Caveat: The extent of oxidation/doping is not quantified in the paper.
main p.2-p.3 / article pp.12933-12934 · EPR discussion · Figure S2 · Linked to 2 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Tetrathiafulvalene tetrabenzoic acid (H4TTFTB) | H4TTFTB isolated as tetrathiafulvalene tetrabenzoic acid . 1.5 CH3OH; analytical formula C35.5H26O9.5S4 used in SI.None. · Molecular tetrathiafulvalene tetrabenzoic acid precursor/control ligand. | 0D · Model SystemMolecular ligand/control; not a MOF. Used as synthetic precursor and electronic control in FP-TRMC, TOF and transient absorption experiments. | SI p.S2-S3 · Tetrathiafulvalene tetrabenzoic acid . 1.5 CH3OH |
| Zn2(TTFTB) / compound 1, a tetrathiafulvalene-tetrabenzoate zinc MOFBrowse family: Zn₂(TTFTB) | As synthesised: [Zn2TTFTB(H2O)2].H2O.2DMF in main text; SI analytical formula Zn2TTFTB(H2O)3(DMF)2; activated framework approximated as C34H16O8S4Zn2.Infinite helical zinc-carboxylate chains of corner-sharing pseudo-octahedra; two crystallographically independent Zn atoms coordinated by carboxylate oxygen atoms and, for one Zn site, cis water ligands. · Tetrathiafulvalene-tetrabenzoate (TTFTB4-) linkers forming helical/columnar TTF stacks with benzoate-lined channels. | 3D · PristineHexagonal P65 framework with infinite one-dimensional benzoate-lined channels down the c axis; adjacent TTF units rotated by 60 degrees and translated 3.47 A along c. | main p.1 / article p.12932 · Abstract and structure discussion · Figure 1 |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| H4TTFTB/PMMA transient absorption filmresearch_0030__mat__h4ttftb_ligand_control | Thin Film · Pristine Control · Composite | H4TTFTB/PMMA 40/60 wt% film deposited onto quartz for transient absorption spectroscopy.Quartz substrate. · ~500 nm thick. | SI p.S2 · Flash photolysis transient absorption measurements |
| H4TTFTB/PMMA control film for FP-TRMC and TOFresearch_0030__mat__h4ttftb_ligand_control | Thin Film · Pristine Control · Composite | H4TTFTB/poly(methyl methacrylate) blend film, 40/60 wt%.Silicon wafer with Al/Au electrodes for TOF; FP-TRMC substrate not specified. · 9-12 um for TOF current integration film. | SI p.S2 · TOF transient current integration |
| Maroon solid H4TTFTB ligandresearch_0030__mat__h4ttftb_ligand_control | Powder · Pristine Control · Model | Isolated molecular ligand precursor/control after hydrolysis and acid workup. | SI p.S2-S3 · H4TTFTB synthesis |
| As-synthesised bulk dark maroon powder of compound 1research_0030__mat__zn2ttftb_mof_1 | Powder · Target Sample · Doped | Bulk powder after filtration and washing with DMF and ethanol; phase purity confirmed by PXRD. | SI p.S3 · Bulk synthesis |
| Desolvated/activated compound 1 powderresearch_0030__mat__zn2ttftb_mof_1 | Powder · Target Sample · Doped | Evacuated at 200 deg C for 12 h at 4 mTorr before porosity/PXRD measurements.Zero-background silicon (510) plate for PXRD; sample tube for gas sorption. · Thin layer for PXRD; no thickness reported. | main p.2 / article p.12933 · Activation and porosity · Figure 2 |
| Compound 1/PMMA TOF transient-current device filmresearch_0030__mat__zn2ttftb_mof_1 | Thin Film · Composite Sample · Composite | 40/60 wt% compound 1/PMMA film between Al (70 nm) and Au (30 nm) electrodes; 10 kohm terminate resistance.Silicon wafer substrates with Al and Au electrodes. · 5-7 um thick blend film for compound 1. | SI p.S2 · TOF transient current integration |
| Compound 1/PMMA blend film for FP-TRMCresearch_0030__mat__zn2ttftb_mof_1 | Thin Film · Composite Sample · Composite | MOF/poly(methyl methacrylate) film, 40/60 wt%, measured under ambient conditions.Not specified for FP-TRMC film. · Not reported for FP-TRMC film. | SI p.S2 · FP-TRMC measurements |
| X-ray quality dark red needles of compound 1research_0030__mat__zn2ttftb_mof_1 | Single Crystal · Target Sample · Doped | As-grown X-ray-quality single crystals from zinc nitrate and H4TTFTB solutions.Kapton loop with motor oil for single-crystal X-ray diffraction. · Crystal dimensions 0.20 x 0.05 x 0.05 mm3 in Table S1. | SI p.S3-S4 · Zn2TTFTB(H2O)3(DMF)2 (1); Table S1 · Table S1 |